Example usage for android.widget Scroller Scroller

Introduction

In this page you can find the example usage for android.widget Scroller Scroller.

Prototype

public Scroller(Context context) 

Source Link

Document

Create a Scroller with the default duration and interpolator.

Usage

From source file:com.tr.ui.widgets.HorizontalListView.java

private synchronized void initView() {
    mLeftViewIndex = -1;/*  w  ww. j ava2s  .c  o m*/
    mRightViewIndex = 0;
    mDisplayOffset = 0;
    mCurrentX = 0;
    mNextX = 0;
    mFirstPosition = 0;
    mSpecificPosition = 0;
    mSpecificLeft = 0;
    mMaxX = Integer.MAX_VALUE;
    mMinX = Integer.MIN_VALUE;
    mScroller = new Scroller(getContext());
    if (!isInEditMode()) {
        mGesture = new GestureDetector(getContext(), mOnGesture);
    }
}

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From source file:com.mcxiaoke.minicat.ui.widget.StaggeredGridView.java

public StaggeredGridView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    if (attrs != null) {
        TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.StaggeredGridView);
        mColCount = a.getInteger(R.styleable.StaggeredGridView_numColumns, 2);
        mDrawSelectorOnTop = a.getBoolean(R.styleable.StaggeredGridView_drawSelectorOnTop, false);
    } else {/*  w  w w  .j  a  v  a  2 s . co  m*/
        mColCount = 2;
        mDrawSelectorOnTop = false;
    }

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
    mFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mScroller = new Scroller(context);

    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);
    setWillNotDraw(false);
    setClipToPadding(false);
    this.setFocusableInTouchMode(false);

    if (mSelector == null) {
        useDefaultSelector();
    }
}

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From source file:com.app.afteryou.ui.staggered.StaggeredGridView.java

public StaggeredGridView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
    mFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mScroller = new Scroller(context);

    mTopEdge = new EdgeEffectCompat(context);
    mBottomEdge = new EdgeEffectCompat(context);
    setWillNotDraw(false);//from   w ww  .  j a  va 2 s .  c om
    setClipToPadding(false);

    if (attrs != null) {
        TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.CostomStaggeredGridView);
        mColCountSetting = a.getInteger(R.styleable.CostomStaggeredGridView_columnNumber, 2);
        mDrawSelectorOnTop = a.getBoolean(R.styleable.CostomStaggeredGridView_drawSelectorOnTop, false);
        if (mColCountSetting != -1) {
            mColCount = mColCountSetting;
        }
        mMinColWidth = a.getDimensionPixelSize(R.styleable.CostomStaggeredGridView_minColumnWidth, 0);
        a.recycle();
    }

    this.setFocusableInTouchMode(false);

    if (mSelector == null) {
        useDefaultSelector();
    }

}

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From source file:de.andacaydin.bidirectionalviewpagerlibrary.BiDirectionalViewPager.java

void initViewPager() {
    setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
    setFocusable(true);/*from w w  w.  ja va 2  s . com*/
    final Context context = getContext();
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
    mLeftEdge = new EdgeEffectCompat(context);
    mRightEdge = new EdgeEffectCompat(context);
    final float density = context.getResources().getDisplayMetrics().density;
    mFlingDistance = (int) (MIN_DISTANCE_FOR_FLING * density);
    mCloseEnough = (int) (CLOSE_ENOUGH * density);
    mDefaultGutterSize = (int) (DEFAULT_GUTTER_SIZE * density);
    ViewCompat.setAccessibilityDelegate(this, getAccessibilityDelegateCompat());
    if (ViewCompat.getImportantForAccessibility(this) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
        ViewCompat.setImportantForAccessibility(this, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
    }
    setWillNotDraw(false);
    mScroller = new Scroller(getContext());
    mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    mMinimumVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
}

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From source file:com.taobao.weex.ui.view.listview.BaseBounceView.java

private void init(Context context) {
    ViewConfiguration config = ViewConfiguration.get(getContext());
    mTouchSlop = config.getScaledTouchSlop();
    mScroller = new Scroller(context);

    mView = createBounceView(context);/*  w  w  w  .ja  v a2s  .  c  o m*/
    addView(mView, LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);

    mRefreshLayout = createBounceHeaderView(context);
    if (mRefreshLayout != null) {
        addView(mRefreshLayout.getView(), LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
    }
    mLoadMoreLayout = createBounceFooterView(context);
    if (mLoadMoreLayout != null) {
        addView(mLoadMoreLayout.getView(), LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
    }
}

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From source file:com.wanikani.androidnotifier.graph.HistogramPlot.java

/**
 * Constructor/*from   w  w  w  . ja  va 2 s.  c  o m*/
 * @param ctxt the context
 * @param attrs the attributes
 */
public HistogramPlot(Context ctxt, AttributeSet attrs) {
    super(ctxt, attrs);

    scroller = new Scroller(ctxt);
    glist = new GestureListener();
    gdect = new GestureDetector(ctxt, glist);

    loadAttributes(ctxt, attrs);
}

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From source file:com.android.dialer.widget.ViewDragHelper.java

/**
 * Apps should use ViewDragHelper.create() to get a new instance.
 * This will allow VDH to use internal compatibility implementations for different
 * platform versions./*  w  w  w .  j  a  va 2s .c om*/
 *
 * @param context Context to initialize config-dependent params from
 * @param forParent Parent view to monitor
 */
private ViewDragHelper(Context context, ViewGroup forParent, Callback cb) {
    if (forParent == null) {
        throw new IllegalArgumentException("Parent view may not be null");
    }
    if (cb == null) {
        throw new IllegalArgumentException("Callback may not be null");
    }

    mParentView = forParent;
    mCallback = cb;

    final ViewConfiguration vc = ViewConfiguration.get(context);
    final float density = context.getResources().getDisplayMetrics().density;
    mEdgeSize = (int) (EDGE_SIZE * density + 0.5f);

    mTouchSlop = vc.getScaledTouchSlop();
    mMaxVelocity = vc.getScaledMaximumFlingVelocity();
    mMinVelocity = vc.getScaledMinimumFlingVelocity();
    mScroller = new Scroller(context);
}

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From source file:com.qurater.pivotal.ui.TwoWayView.java

public TwoWayView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    mNeedSync = false;/*from w w  w.j a  va  2s  .  co  m*/
    mVelocityTracker = null;

    mLayoutMode = LAYOUT_NORMAL;
    mTouchMode = TOUCH_MODE_REST;
    mLastTouchMode = TOUCH_MODE_UNKNOWN;

    mIsAttached = false;

    mContextMenuInfo = null;

    mOnScrollListener = null;
    mLastScrollState = OnScrollListener.SCROLL_STATE_IDLE;

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
    mFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mOverscrollDistance = getScaledOverscrollDistance(vc);

    mOverScroll = 0;

    mScroller = new Scroller(context);

    mIsVertical = true;

    mItemsCanFocus = false;

    mTempRect = new Rect();

    mArrowScrollFocusResult = new ArrowScrollFocusResult();

    mSelectorPosition = INVALID_POSITION;

    mSelectorRect = new Rect();
    mSelectedStart = 0;

    mResurrectToPosition = INVALID_POSITION;

    mSelectedStart = 0;
    mNextSelectedPosition = INVALID_POSITION;
    mNextSelectedRowId = INVALID_ROW_ID;
    mSelectedPosition = INVALID_POSITION;
    mSelectedRowId = INVALID_ROW_ID;
    mOldSelectedPosition = INVALID_POSITION;
    mOldSelectedRowId = INVALID_ROW_ID;

    mChoiceMode = ChoiceMode.NONE;
    mCheckedItemCount = 0;
    mCheckedIdStates = null;
    mCheckStates = null;

    mRecycler = new RecycleBin();
    mDataSetObserver = null;

    mAreAllItemsSelectable = true;

    mStartEdge = null;
    mEndEdge = null;

    setClickable(true);
    setFocusableInTouchMode(true);
    setWillNotDraw(false);
    setAlwaysDrawnWithCacheEnabled(false);
    setWillNotDraw(false);
    setClipToPadding(false);

    ViewCompat.setOverScrollMode(this, ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS);

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TwoWayView, defStyle, 0);

    mDrawSelectorOnTop = a.getBoolean(R.styleable.TwoWayView_android_drawSelectorOnTop, false);

    Drawable d = a.getDrawable(R.styleable.TwoWayView_android_listSelector);
    if (d != null) {
        setSelector(d);
    }

    int orientation = a.getInt(R.styleable.TwoWayView_android_orientation, -1);
    if (orientation >= 0) {
        setOrientation(Orientation.values()[orientation]);
    }

    int choiceMode = a.getInt(R.styleable.TwoWayView_android_choiceMode, -1);
    if (choiceMode >= 0) {
        setChoiceMode(ChoiceMode.values()[choiceMode]);
    }

    a.recycle();
}

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From source file:com.propkaro.util.TwoWayView.java

public TwoWayView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    mNeedSync = false;/*ww  w. j  a  va  2  s. c o  m*/
    mVelocityTracker = null;

    mLayoutMode = LAYOUT_NORMAL;
    mTouchMode = TOUCH_MODE_REST;
    mLastTouchMode = TOUCH_MODE_UNKNOWN;

    mIsAttached = false;

    mContextMenuInfo = null;

    mOnScrollListener = null;
    mLastScrollState = OnScrollListener.SCROLL_STATE_IDLE;

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
    mFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mOverscrollDistance = getScaledOverscrollDistance(vc);

    mOverScroll = 0;

    mScroller = new Scroller(context);

    mIsVertical = true;

    mItemsCanFocus = false;

    mTempRect = new Rect();

    mArrowScrollFocusResult = new ArrowScrollFocusResult();

    mSelectorPosition = INVALID_POSITION;

    mSelectorRect = new Rect();
    mSelectedStart = 0;

    mResurrectToPosition = INVALID_POSITION;

    mSelectedStart = 0;
    mNextSelectedPosition = INVALID_POSITION;
    mNextSelectedRowId = INVALID_ROW_ID;
    mSelectedPosition = INVALID_POSITION;
    mSelectedRowId = INVALID_ROW_ID;
    mOldSelectedPosition = INVALID_POSITION;
    mOldSelectedRowId = INVALID_ROW_ID;

    mChoiceMode = ChoiceMode.NONE;
    mCheckedItemCount = 0;
    mCheckedIdStates = null;
    mCheckStates = null;

    mRecycler = new RecycleBin();
    mDataSetObserver = null;

    mAreAllItemsSelectable = true;

    mStartEdge = null;
    mEndEdge = null;

    setClickable(true);
    setFocusableInTouchMode(true);
    setWillNotDraw(false);
    setAlwaysDrawnWithCacheEnabled(false);
    setWillNotDraw(false);
    setClipToPadding(false);

    ViewCompat.setOverScrollMode(this, ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS);

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TwoWayView, defStyle, 0);
    //        initializeScrollbars(a);

    mDrawSelectorOnTop = a.getBoolean(R.styleable.TwoWayView_android_drawSelectorOnTop, false);

    Drawable d = a.getDrawable(R.styleable.TwoWayView_android_listSelector);
    if (d != null) {
        setSelector(d);
    }

    int orientation = a.getInt(R.styleable.TwoWayView_android_orientation, -1);
    if (orientation >= 0) {
        setOrientation(Orientation.values()[orientation]);
    }

    int choiceMode = a.getInt(R.styleable.TwoWayView_android_choiceMode, -1);
    if (choiceMode >= 0) {
        setChoiceMode(ChoiceMode.values()[choiceMode]);
    }

    a.recycle();

    updateScrollbarsDirection();
}

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From source file:com.mist.sciryl.app.views.TwoWayView.java

public TwoWayView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    mNeedSync = false;//from w ww  .  j a v  a  2 s.  com
    mVelocityTracker = null;

    mLayoutMode = LAYOUT_NORMAL;
    mTouchMode = TOUCH_MODE_REST;
    mLastTouchMode = TOUCH_MODE_UNKNOWN;

    mIsAttached = false;

    mContextMenuInfo = null;

    mOnScrollListener = null;
    mLastScrollState = OnScrollListener.SCROLL_STATE_IDLE;

    final ViewConfiguration vc = ViewConfiguration.get(context);
    mTouchSlop = vc.getScaledTouchSlop();
    mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
    mFlingVelocity = vc.getScaledMinimumFlingVelocity();
    mOverscrollDistance = getScaledOverscrollDistance(vc);

    mOverScroll = 0;

    mScroller = new Scroller(context);

    mIsVertical = true;

    mItemsCanFocus = false;

    mTempRect = new Rect();

    mArrowScrollFocusResult = new ArrowScrollFocusResult();

    mSelectorPosition = INVALID_POSITION;

    mSelectorRect = new Rect();
    mSelectedStart = 0;

    mResurrectToPosition = INVALID_POSITION;

    mSelectedStart = 0;
    mNextSelectedPosition = INVALID_POSITION;
    mNextSelectedRowId = INVALID_ROW_ID;
    mSelectedPosition = INVALID_POSITION;
    mSelectedRowId = INVALID_ROW_ID;
    mOldSelectedPosition = INVALID_POSITION;
    mOldSelectedRowId = INVALID_ROW_ID;

    mChoiceMode = ChoiceMode.NONE;
    mCheckedItemCount = 0;
    mCheckedIdStates = null;
    mCheckStates = null;

    mRecycler = new RecycleBin();
    mDataSetObserver = null;

    mAreAllItemsSelectable = true;

    mStartEdge = null;
    mEndEdge = null;

    setClickable(true);
    setFocusableInTouchMode(true);
    setWillNotDraw(false);
    setAlwaysDrawnWithCacheEnabled(false);
    setWillNotDraw(false);
    setClipToPadding(false);

    ViewCompat.setOverScrollMode(this, ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS);

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TwoWayView, defStyle, 0);

    mDrawSelectorOnTop = a.getBoolean(R.styleable.TwoWayView_android_drawSelectorOnTop, false);

    Drawable d = a.getDrawable(R.styleable.TwoWayView_android_listSelector);
    if (d != null) {
        setSelector(d);
    }

    int orientation = a.getInt(R.styleable.TwoWayView_android_orientation, -1);
    if (orientation >= 0) {
        setOrientation(Orientation.values()[orientation]);
    }

    int choiceMode = a.getInt(R.styleable.TwoWayView_android_choiceMode, -1);
    if (choiceMode >= 0) {
        setChoiceMode(ChoiceMode.values()[choiceMode]);
    }

    a.recycle();

    updateScrollbarsDirection();
}

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